package lambda;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class sili {
    public static void main(String[] args) {
        List<String> list   = new ArrayList<>();

        // 匿名内部类写法
        Collections.sort(list, new Comparator<String>() {
            @Override
            public int compare(String o1, String o2) {
                return o1.length()-o2.length();
            }
        });
        // lambda表达式写法
        Collections.sort(list,(o1,o2)->
        o1.length()-o2.length() );
    }
}
